Leaf-miner
and case-bearer: A slender straw coloured, three valved tubular silken case, about
10 mm long. Mouth angle about 30° (British
leafminers).
A
slender tubular silken case, about 10 mm long, straw coloured, three
valved. Mouth angle about 30° (Bladmineerders van Europa).
Feeding
traces are illustrated in the Encyclopedia of Life.
Larva: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).
The larva is illustrated in Bladmineerders van Europa.
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
Adult:
The adult is illustrated in UKMoths and the Encyclopedia
of Life. The species is included in mothdissection.co.uk.
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - larvae: August to September, then May to June when
on Inula. July to August, then April to May when on Eupatorium (British
leafminers).
Time
of year - adults: June to August (UKMoths).
Distribution
in Great Britain and Ireland: Widespread in Britain including
Anglesey, Bedfordshire, Caernarvonshire, Cambridgeshire, Cardinganshire, Carmarthenshire, Dorset, East Cornwall, East Kent, East Norfolk, East Suffolk, Glamorgan, Herefordshire,
Hertfordshire, Huntingdonshire, Isle of Wight, Middlesex, Montgomeryshire, North Hampshire, North Somerset, Pembrokeshire, Shropshire, South Devon, South Hampshire, South Somerset,
Stafford, Surrey, West Cornwall, West Gloucestershire, West Kent and
West Norfolk (NBN
Atlas).
Prior
to 1962 both C. follicularis and C.
trochilella were thought to be a single species, C. troglodytella.
Consequently, distribution is clouded by older records which are
not attributed to one or other of the two species.
Also
recorded in the Republic of Ireland (UKMoths
and Fauna Europaea). See also Ireland's National Biodiversity Data Centre Map).
Distribution
elsewhere: Widespread in continental Europe including Albania,
Austria, Belgium, Bulgaria, Croatia, Czech Republic, Danish mainland,
Estonia, Finland, French mainland, Germany, Greek mainland, Hungary,
Italian mainland, Latvia, North Aegean Is., Poland, Romania, Sicily,
Slovakia, Spanish mainland, Sweden, Switzerland and The Netherlands.
Also recorded in the Near East (Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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